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    sar is a highly diverse group of protists defined by dna similarities determined through whole-genome analysis of various organisms in the group. which of the following conclusions could be drawn from this information?

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    Solved Part A SAR is a highly diverse group of protists

    Answer to Solved Part A SAR is a highly diverse group of protists

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    Biology II

    Memorize flashcards and build a practice test to quiz yourself before your exam. Start studying the Biology II - Concept 28.3: SAR is a highly diverse group of protists defined by DNA similarities flashcards containing study terms like What does morphological and DNA data suggest about the relationships between the simularities in the algae and plant lineages?, What do brown algae lack that other plants have?, What is one other unique structure in brown algae? and more.

    Biology II - Concept 28.3: SAR is a highly diverse group of protists defined by DNA similarities

    What does morphological and DNA data suggest about the relationships between the simularities in the algae and plant lineages?

    Click card to see definition πŸ‘†

    They are analogous

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    What do brown algae lack that other plants have?

    Click card to see definition πŸ‘†

    Tissues and Organs

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    Terms in this set (97)

    What does morphological and DNA data suggest about the relationships between the simularities in the algae and plant lineages?

    They are analogous

    What do brown algae lack that other plants have?

    Tissues and Organs

    What is one other unique structure in brown algae?

    Sieve tubes (Food conducting cells)

    What structure has channels through cell walls that connect the cytoplasms of adjacent cells?

    The Plasmodesmata

    What other structure is unique to brown algae?

    Plasmodesmata

    Where is the meristem located on brown algae?

    Between the blade and the stipe

    What common plants are made up of brown algae?

    - Kelp - Seaweed

    What gives brown algae it's color?

    The carotenoids in their plastids

    Where are brown algae commonly found?

    Temperate coast with cold currents

    What are two characteristics of brown algae?

    - All are nulticellular

    - Most are marine

    What algae is concidered the largest and most complex form of algae?

    Brown Algae

    What supergroup contains three major clades of protistsβ€”the stramenopiles, alveolates, and rhizariansβ€”form a monophyletic supergroup?

    SAR

    What clades emerged after a common ancestor of these two clades engulfed a single-celled, photosynthetic red alga.

    - stramenopiles - alveolates

    Red algae emerged due to a common ancestor engulfing a photosynthetic prokaryote, and stramenopiles and alveolates emerged because their common ancestors engulfed a single celled red algae. What term do these events represent?

    secondary endosymbiosis

    What subgroup contains some of the most important photosynthetic organisms on the planet?

    stramenopiles

    What characteristics are unique to the stramenopile subgroup?

    - One flagellum has numerous fine, hairlike projections

    - The other is shorter "smooth" flagellum

    What clades are in the subgroup stramenopile?

    - diatoms - golden algae - brown algae

    What was used to cause a bloom when studying blooming patterns?

    Iron

    syngamy (Diatoms Life Cycle)

    The fusion of two gametes in fertilization.

    diatom life cycle

    - Sexual/Asexual (Primarily Asexual)

    - Diplonic

    What are some uses for Diatomaceous Earth?

    Pool filters, Insect killer/repelant, ect.

    What important economic good do Diatoms make up?

    Diatomaceous Earth

    How could a bloom season for Diatoms reduce global warming?

    The CO2 would be pumped to the ocean floor instead of into the atmosphere.

    Affter the death of a Diatom, what part of the ocean recives CO2 due to the bacteria not decomposing the decesed Diatom till decades after it passes?

    The ocean floor

    How long does it take for Diatoms to reach the ocean floor after their death?

    decades

    What environmental effect do Diatoms have?

    Regulation of CO2

    What protist is photosynthetic, a unicellular algae, has a glass-like wall, and is the most abundant organism within oceans?

    Diatoms

    In Diatoms, what makes up the glass-like wall?

    Silicon dioxide

    What speciffic part is unique to brown algae?

    Meristem

    What are some of the economic values of brown algae?

    - Food - Source of aglin

    What products are made with algin?

    - Emulsifier - Stabilizer - Wound dressings

    What is the most complex life cycle?

    Alteration of Generations

    What is the genus of brown algae that uses the Alteration of Generations life cycle?

    Laminaria

    What is the diploid individual in the Alteration of Generations life cycle and what does it produce?

    The sporophyte, spores.

    What are the haploid spore cells called in the Alteration of Generations life cycle?

    zoospores

    What do the zoospores grow into during Alteration of Generations?

    Multicellular Female and Male gametophytes

    What do the gameophytes produce during Alteration of Generations?

    Gametes.

    What is produced after the union of the two gametes? (Ferilization)

    A zygote

    What does a zygote produce to finish off the Alteration of Generations life cycle?

    A multicellular sporeophyte.

    Laminaria Life Cycle

    Alteration of Generations

    What term is used to describe when the sporophyte and gametophyte are structurally different during the Alteration of Generations life cycle?

    Source : quizlet.com

    SAR is a highly diverse group of protists defined by DNA similarities determined through whole

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    JULY 28, 2021 BY QUIZS

    SAR is a highly diverse group of protists defined by DNA similarities determined through whole-genome analysis of various organisms in the group. Which of the following conclusions could be drawn

    SAR is a highly diverse group of protists defined by DNA similarities determined through whole-genome analysis of various organisms in the group. Which of the following conclusions could be drawn from this information?

    A) SAR is a paraphyletic group

    B) SAR is a monophyletic group

    C) SAR includes organisms that have different common ancestors

    D) the common ancestor of the members of this group arose relatively recently in evolutionary history

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